nextcloud_ynh/conf/nginx.conf

location ^~ /.well-known {
  # The following 6 rules are borrowed from `.htaccess`

  # The following 2 rules are only needed for the user_webfinger app.
  # Uncomment it if you're planning to use this app.
  #rewrite ^/\.well-known/host-meta\.json  __PATH__/public.php?service=host-meta-json  last;
  #rewrite ^/\.well-known/host-meta        __PATH__/public.php?service=host-meta       last;

  location = /.well-known/carddav     { return 301 __PATH__/remote.php/dav/; }
  location = /.well-known/caldav      { return 301 __PATH__/remote.php/dav/; }

  location = /.well-known/webfinger     { return 301 __PATH__/index.php$uri; }
  location = /.well-known/nodeinfo      { return 301 __PATH__/index.php$uri; }

  # Let Nextcloud's API for `/.well-known` URIs handle all other
  # requests by passing them to the front-end controller.
  return 301 __PATH__/index.php$request_uri;
}

#sub_path_only rewrite ^__PATH__$ __PATH__/ permanent;
location ^~ __PATH__/ {

  # Path to source
  alias __INSTALL_DIR__/;

  # set max upload size and increase upload timeout:
  client_max_body_size 10G;
  client_body_timeout 300s;
  fastcgi_buffers 64 4K;

  # Enable gzip but do not remove ETag headers
  gzip on;
  gzip_vary on;
  gzip_comp_level 4;
  gzip_min_length 256;
  gzip_proxied expired no-cache no-store private no_last_modified no_etag auth;
  gzip_types application/atom+xml application/javascript application/json application/ld+json application/manifest+json application/rss+xml application/vnd.geo+json application/vnd.ms-fontobject application/x-font-ttf application/x-web-app-manifest+json application/xhtml+xml application/xml font/opentype image/bmp image/svg+xml image/x-icon text/cache-manifest text/css text/plain text/vcard text/vnd.rim.location.xloc text/vtt text/x-component text/x-cross-domain-policy;

  # Pagespeed is not supported by Nextcloud, so if your server is built
  # with the `ngx_pagespeed` module, uncomment this line to disable it.
  #pagespeed off;

  # The settings allows you to optimize the HTTP2 bandwitdth.
  # See https://blog.cloudflare.com/delivering-http-2-upload-speed-improvements/
  # for tunning hints
  client_body_buffer_size 512k;

  # HTTP response headers borrowed from Nextcloud `.htaccess`
  more_set_headers "Strict-Transport-Security: max-age=15768000; includeSubDomains; preload;";
  more_set_headers "Referrer-Policy: no-referrer";
  more_set_headers "X-Content-Type-Options: nosniff";
  more_set_headers "X-Download-Options: noopen";
  more_set_headers "X-Frame-Options: SAMEORIGIN";
  more_set_headers "X-Permitted-Cross-Domain-Policies: none";
  more_set_headers "X-Robots-Tag: noindex, nofollow";
  more_set_headers "X-XSS-Protection: 1; mode=block";

  # Remove X-Powered-By, which is an information leak
  fastcgi_hide_header X-Powered-By;

  # Specify how to handle directories -- specifying `/nextcloud/index.php$request_uri`
  # here as the fallback means that Nginx always exhibits the desired behaviour
  # when a client requests a path that corresponds to a directory that exists
  # on the server. In particular, if that directory contains an index.php file,
  # that file is correctly served; if it doesn't, then the request is passed to
  # the front-end controller. This consistent behaviour means that we don't need
  # to specify custom rules for certain paths (e.g. images and other assets,
  # `/updater`, `/ocm-provider`, `/ocs-provider`), and thus
  # `try_files $uri $uri/ /nextcloud/index.php$request_uri`
  # always provides the desired behaviour.
  index index.php index.html __PATH__/index.php$request_uri;

  # Rule borrowed from `.htaccess` to handle Microsoft DAV clients
  location = __PATH__/ {
      if ( $http_user_agent ~ ^DavClnt ) {
          return 302 __PATH__/remote.php/webdav/$is_args$args;
      }
  }

  location = __PATH__/robots.txt {
    allow all;
    log_not_found off;
    access_log off;
  }
  
  # Rules borrowed from `.htaccess` to hide certain paths from clients
  location ~ ^__PATH__/(?:build|tests|config|lib|3rdparty|templates|data)(?:$|/)    { return 404; }
  location ~ ^__PATH__/(?:\.|autotest|occ|issue|indie|db_|console)                  { return 404; }

  # Ensure this block, which passes PHP files to the PHP process, is above the blocks
  # which handle static assets (as seen below). If this block is not declared first,
  # then Nginx will encounter an infinite rewriting loop when it prepends
  # `/nextcloud/index.php` to the URI, resulting in a HTTP 500 error response.
  location ~ \.php(?:$|/) {
    # Required for legacy support
    rewrite ^__PATH__/(?!index|remote|public|cron|core\/ajax\/update|status|ocs\/v[12]|updater\/.+|ocs-provider\/.+|.+\/richdocumentscode\/proxy) __PATH__/index.php$request_uri;
    
    fastcgi_split_path_info ^(.+?\.php)(/.*)$;
    set $path_info $fastcgi_path_info;
    
    try_files $fastcgi_script_name =404;
    
    include fastcgi_params;
    fastcgi_param SCRIPT_FILENAME $request_filename;
    fastcgi_param PATH_INFO $path_info;
    fastcgi_param HTTPS on;

    fastcgi_param modHeadersAvailable true;         # Avoid sending the security headers twice
    fastcgi_param front_controller_active true;     # Enable pretty urls
    fastcgi_param HTTP_ACCEPT_ENCODING "";          # Disable encoding of Nextcloud response to inject ynh scripts
    fastcgi_pass unix:/var/run/php/php__PHPVERSION__-fpm-__NAME__.sock;
    
    fastcgi_intercept_errors on;
    fastcgi_request_buffering off;

    fastcgi_read_timeout 600;
    fastcgi_send_timeout 600;
    fastcgi_connect_timeout 600;
    proxy_connect_timeout 600;
    proxy_send_timeout 600;
    proxy_read_timeout 600;
    send_timeout 600;
  }

  location ~ ^__PATH__/(?:updater|ocs-provider)(?:$|/) {
       try_files $uri/ =404;
       index index.php;
  }
  
  # Serve static files
  location ~ \.(?:css|js|mjs|svg|gif|png|jpg|ico|wasm|tflite|map)$ {
    try_files $uri / __PATH__/index.php$request_uri;
    expires 6M;         # Cache-Control policy borrowed from `.htaccess`
    access_log off;     # Optional: Don't log access to assets

    location ~ \.wasm$ {
            default_type application/wasm;
    }
  }

  location ~ \.woff2?$ {
    try_files $uri / __PATH__/index.php$request_uri;
    expires 7d;         # Cache-Control policy borrowed from `.htaccess`
    access_log off;     # Optional: Don't log access to assets
  }

  # Rule borrowed from `.htaccess`
    location __PATH__/remote {
      return 301 __PATH__/remote.php$request_uri;
    }

  location ~ / {
    if ($request_method ~ ^(PUT|DELETE|PATCH)$) {
        rewrite ^ __PATH__/index.php$request_uri last;
    }
    try_files $uri / __PATH__/index.php$request_uri;
  }

  # show YunoHost panel access
  include conf.d/yunohost_panel.conf.inc;
}